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Ibáñez Alcalá RJ, Beck DW, Salcido AA, Davila LD, Giri A, Heaton CN, Villarreal Rodriguez K, Rakocevic LI, Hossain SB, Reyes NF, Batson SA, Macias AY, Drammis SM, Negishi K, Zhang Q, Umashankar Beck S, Vara P, Joshi A, Franco AJ, Hernandez Carbajal BJ, Ordonez MM, Ramirez FY, Lopez JD, Lozano N, Ramirez A, Legaspy L, Cruz PL, Armenta AA, Viel SN, Aguirre JI, Quintanar O, Medina F, Ordonez PM, Munoz AE, Martínez Gaudier GE, Naime GM, Powers RE, O'Dell LE, Moschak TM, Goosens KA, Friedman A. RECORD, a high-throughput, customizable system that unveils behavioral strategies leveraged by rodents during foraging-like decision-making. Commun Biol 2024; 7:822. [PMID: 38971889 PMCID: PMC11227549 DOI: 10.1038/s42003-024-06489-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 06/21/2024] [Indexed: 07/08/2024] Open
Abstract
Translational studies benefit from experimental designs where laboratory organisms use human-relevant behaviors. One such behavior is decision-making, however studying complex decision-making in rodents is labor-intensive and typically restricted to two levels of cost/reward. We design a fully automated, inexpensive, high-throughput framework to study decision-making across multiple levels of rewards and costs: the REward-COst in Rodent Decision-making (RECORD) system. RECORD integrates three components: 1) 3D-printed arenas, 2) custom electronic hardware, and 3) software. We validated four behavioral protocols without employing any food or water restriction, highlighting the versatility of our system. RECORD data exposes heterogeneity in decision-making both within and across individuals that is quantifiably constrained. Using oxycodone self-administration and alcohol-consumption as test cases, we reveal how analytic approaches that incorporate behavioral heterogeneity are sensitive to detecting perturbations in decision-making. RECORD is a powerful approach to studying decision-making in rodents, with features that facilitate translational studies of decision-making in psychiatric disorders.
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Affiliation(s)
| | - Dirk W Beck
- Computational Science Program, University of Texas at El Paso, El Paso, TX, USA
| | - Alexis A Salcido
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Luis D Davila
- Computational Science Program, University of Texas at El Paso, El Paso, TX, USA
| | - Atanu Giri
- Computational Science Program, University of Texas at El Paso, El Paso, TX, USA
| | - Cory N Heaton
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | | | - Lara I Rakocevic
- Computational Science Program, University of Texas at El Paso, El Paso, TX, USA
| | - Safa B Hossain
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Neftali F Reyes
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Serina A Batson
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Andrea Y Macias
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Sabrina M Drammis
- Artificial Intelligence Laboratory, Department of Computer Science, Massachusetts Institute of Technology, Cambridge, MA, USA
| | | | - Qingyang Zhang
- Department of Biomedical Informatics, Harvard Medical School, Cambridge, MA, USA
| | | | - Paulina Vara
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Arnav Joshi
- Computational Science Program, University of Texas at El Paso, El Paso, TX, USA
| | - Austin J Franco
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | | | - Miguel M Ordonez
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Felix Y Ramirez
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Jonathan D Lopez
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Nayeli Lozano
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Abigail Ramirez
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Linnete Legaspy
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Paulina L Cruz
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Abril A Armenta
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Stephanie N Viel
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Jessica I Aguirre
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Odalys Quintanar
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Fernanda Medina
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Pablo M Ordonez
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Alfonzo E Munoz
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | | | - Gabriela M Naime
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Rosalie E Powers
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Laura E O'Dell
- Department of Psychology, University of Texas at El Paso, El Paso, TX, USA
| | - Travis M Moschak
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA
| | - Ki A Goosens
- Department of Psychiatry, Center for Translational Medicine and Pharmacology, Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Alexander Friedman
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, USA.
- Computational Science Program, University of Texas at El Paso, El Paso, TX, USA.
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2
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Bergeria CL, Gipson CD, Smith KE, Stoops WW, Strickland JC. Opioid craving does not incubate over time in inpatient or outpatient treatment studies: Is the preclinical incubation of craving model lost in translation? Neurosci Biobehav Rev 2024; 160:105618. [PMID: 38492446 PMCID: PMC11046527 DOI: 10.1016/j.neubiorev.2024.105618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/29/2024] [Accepted: 03/05/2024] [Indexed: 03/18/2024]
Abstract
Within addiction science, incubation of craving is an operational label used to describe time-dependent increases in drug seeking during periods of drug deprivation. The purpose of this systematic review was to describe the preclinical literature on incubation of craving and the clinical literature on craving measured over extended periods of abstinence to document this translational homology and factors impacting correspondence. Across the 44 preclinical studies that met inclusion criteria, 31 reported evidence of greater lever pressing, nose pokes, spout licks, or time spent in drug-paired compartments (i.e., drug seeking) relative to neutral compartments after longer periods of abstinence relative to shorter periods of abstinence, labelled as "incubation of craving." In contrast, no clinical studies (n = 20) identified an increase in opioid craving during longer abstinence periods. The lack of clinical evidence for increases in craving in clinical populations weakens the translational utility of operationalizing the time-dependent increase in drug-seeking behavior observed in preclinical models as models of incubation of "craving".
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Affiliation(s)
- Cecilia L Bergeria
- Johns Hopkins University School of Medicine, Department of Psychiatry and Behavioral Sciences, Baltimore, MD, United States.
| | - Cassandra D Gipson
- University of Kentucky College of Medicine, Department of Pharmacology and Nutritional Sciences, Lexington, KY, United States
| | - Kirsten E Smith
- Johns Hopkins University School of Medicine, Department of Psychiatry and Behavioral Sciences, Baltimore, MD, United States
| | - William W Stoops
- University of Kentucky College of Medicine, Department of Behavioral Science, Lexington, KY, United States
| | - Justin C Strickland
- Johns Hopkins University School of Medicine, Department of Psychiatry and Behavioral Sciences, Baltimore, MD, United States
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3
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Wilkinson CS, Blount HL, Davis S, Rojas G, Wu L, Murphy NP, Schwendt M, Knackstedt LA. Voluntary alcohol intake alters the motivation to seek intravenous oxycodone and neuronal activation during the reinstatement of oxycodone and sucrose seeking. Sci Rep 2023; 13:19174. [PMID: 37932476 PMCID: PMC10628226 DOI: 10.1038/s41598-023-46111-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 10/26/2023] [Indexed: 11/08/2023] Open
Abstract
Opioid-alcohol polysubstance use is prevalent and worsens treatment outcomes. Here we assessed whether co-consumption of oxycodone and alcohol influence the intake of one another, demand for oxycodone, and the neurocircuitry underlying cue-primed reinstatement of oxycodone-seeking. Male and female rats underwent oxycodone intravenous self-administration (IVSA) with homecage access to alcohol (20% v/v) and/or water immediately after the IVSA session. Next, economic demand for intravenous oxycodone was assessed while access to alcohol and/or water continued. Control rats self-administered sucrose followed by access to alcohol and/or water. Rats underwent a cue-primed reinstatement test and brains were processed for c-fos mRNA expression. While both sexes decreased oxycodone intake if they had access to alcohol, and decreased alcohol intake if they had access to oxycodone, only female oxycodone + alcohol rats exhibited decreased demand elasticity and increased cue-primed reinstatement. Alcohol consumption increased the number of basolateral and central amygdala neurons activated during sucrose and oxycodone reinstatement and the number of ventral and dorsal striatum neurons engaged by sucrose reinstatement. Nucleus accumbens shell dopamine 1 receptor expressing neurons displayed activation patterns consistent with oxycodone reinstatement. Thus, alcohol alters the motivation to seek oxycodone in a sex-dependent manner and the neural circuitry engaged by cue-primed reinstatement of sucrose and oxycodone-seeking.
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Affiliation(s)
- Courtney S Wilkinson
- Psychology Department, University of Florida, 114 Psychology, 945 Center Dr., Gainesville, FL, 32611, USA
- Center for Addiction Research and Education, University of Florida, Gainesville, FL, USA
| | - Harrison L Blount
- Psychology Department, University of Florida, 114 Psychology, 945 Center Dr., Gainesville, FL, 32611, USA
- Center for Addiction Research and Education, University of Florida, Gainesville, FL, USA
| | - Shane Davis
- Psychology Department, University of Florida, 114 Psychology, 945 Center Dr., Gainesville, FL, 32611, USA
- Center for Addiction Research and Education, University of Florida, Gainesville, FL, USA
| | - Giselle Rojas
- Psychology Department, University of Florida, 114 Psychology, 945 Center Dr., Gainesville, FL, 32611, USA
| | - Lizhen Wu
- Psychology Department, University of Florida, 114 Psychology, 945 Center Dr., Gainesville, FL, 32611, USA
| | - Niall P Murphy
- Orthodontics Department, University of Florida, Gainesville, FL, USA
| | - Marek Schwendt
- Psychology Department, University of Florida, 114 Psychology, 945 Center Dr., Gainesville, FL, 32611, USA
- Center for Addiction Research and Education, University of Florida, Gainesville, FL, USA
| | - Lori A Knackstedt
- Psychology Department, University of Florida, 114 Psychology, 945 Center Dr., Gainesville, FL, 32611, USA.
- Center for Addiction Research and Education, University of Florida, Gainesville, FL, USA.
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Barrett JE, Shekarabi A, Inan S. Oxycodone: A Current Perspective on Its Pharmacology, Abuse, and Pharmacotherapeutic Developments. Pharmacol Rev 2023; 75:1062-1118. [PMID: 37321860 PMCID: PMC10595024 DOI: 10.1124/pharmrev.121.000506] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 04/30/2023] [Accepted: 06/05/2023] [Indexed: 06/17/2023] Open
Abstract
Oxycodone, a semisynthetic derivative of naturally occurring thebaine, an opioid alkaloid, has been available for more than 100 years. Although thebaine cannot be used therapeutically due to the occurrence of convulsions at higher doses, it has been converted to a number of other widely used compounds that include naloxone, naltrexone, buprenorphine, and oxycodone. Despite the early identification of oxycodone, it was not until the 1990s that clinical studies began to explore its analgesic efficacy. These studies were followed by the pursuit of several preclinical studies to examine the analgesic effects and abuse liability of oxycodone in laboratory animals and the subjective effects in human volunteers. For a number of years oxycodone was at the forefront of the opioid crisis, playing a significant role in contributing to opioid misuse and abuse, with suggestions that it led to transitioning to other opioids. Several concerns were expressed as early as the 1940s that oxycodone had significant abuse potential similar to heroin and morphine. Both animal and human abuse liability studies have confirmed, and in some cases amplified, these early warnings. Despite sharing a similar structure with morphine and pharmacological actions also mediated by the μ-opioid receptor, there are several differences in the pharmacology and neurobiology of oxycodone. The data that have emerged from the many efforts to analyze the pharmacological and molecular mechanism of oxycodone have generated considerable insight into its many actions, reviewed here, which, in turn, have provided new information on opioid receptor pharmacology. SIGNIFICANCE STATEMENT: Oxycodone, a μ-opioid receptor agonist, was synthesized in 1916 and introduced into clinical use in Germany in 1917. It has been studied extensively as a therapeutic analgesic for acute and chronic neuropathic pain as an alternative to morphine. Oxycodone emerged as a drug with widespread abuse. This article brings together an integrated, detailed review of the pharmacology of oxycodone, preclinical and clinical studies of pain and abuse, and recent advances to identify potential opioid analgesics without abuse liability.
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Affiliation(s)
- James E Barrett
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University. Philadelphia, Pennsylvania
| | - Aryan Shekarabi
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University. Philadelphia, Pennsylvania
| | - Saadet Inan
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University. Philadelphia, Pennsylvania
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5
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Olaniran A, Altshuler RD, Burke MAM, Lin H, Firlie J, Linshitz I, Li X. Role of oestrous cycle and orbitofrontal cortex in oxycodone seeking after 15-day abstinence in female rats. Addict Biol 2023; 28:e13325. [PMID: 37753563 DOI: 10.1111/adb.13325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 07/24/2023] [Accepted: 07/28/2023] [Indexed: 09/28/2023]
Abstract
Relapse to oxycodone seeking progressively increases after abstinence in rats, a phenomenon termed incubation of oxycodone craving. We have previously shown that the orbitofrontal cortex (OFC) plays a critical role in incubation of oxycodone craving in male rats. Here, we examined the effect of oestrous cycle on incubated oxycodone seeking in female rats, and whether the critical role of OFC in incubated oxycodone seeking generalizes to female rats. We first assessed oxycodone self-administration and incubated oxycodone seeking on abstinence day 15 across the oestrous cycle. Next, we determined the effect of chemogenetic inactivation of OFC by JHU37160 (J60), a novel agonist for Designer Receptors Exclusively Activated by Designer Drugs (DREADDs), on incubated oxycodone seeking on abstinence day 15. Finally, we determined the effect of J60 alone on incubated oxycodone seeking on abstinence day 15. We found no difference in oxycodone intake across oestrus, pro-oestrus, and metoestrus stages during oxycodone self-administration training. Incubated oxycodone seeking was also similar between nonoestrus and oestrus female rats. Moreover, chemogenetic inactivation of OFC by J60 decreased incubated oxycodone seeking on abstinence day 15, while J60 alone had no effect on incubated oxycodone seeking in no-DREADD control rats. Taken together, results here show that the oestrous cycle has no effect on oxycodone intake and incubated oxycodone seeking in female rats under our experimental conditions. Furthermore, consistent with our previous findings in male rats, results here show that OFC also plays a critical role in incubated oxycodone seeking in female rats.
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Affiliation(s)
- Adedayo Olaniran
- Department of Psychology, University of Maryland College Park, College Park, Maryland, USA
| | - Rachel D Altshuler
- Department of Psychology, University of Maryland College Park, College Park, Maryland, USA
| | - Megan A M Burke
- Department of Psychology, University of Maryland College Park, College Park, Maryland, USA
| | - Hongyu Lin
- Department of Psychology, University of Maryland College Park, College Park, Maryland, USA
| | - Julia Firlie
- Department of Psychology, University of Maryland College Park, College Park, Maryland, USA
| | - Ilan Linshitz
- Department of Psychology, University of Maryland College Park, College Park, Maryland, USA
| | - Xuan Li
- Department of Psychology, University of Maryland College Park, College Park, Maryland, USA
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Zeid D, Toussaint AB, Dressler CC, Schumacher SP, Do C, Desalvo H, Selamawi D, Bongiovanni AR, Mayberry HL, Carr GV, Wimmer ME. Paternal morphine exposure in rats reduces social play in adolescent male progeny without affecting drug-taking behavior in juvenile males or female offspring. Mol Cell Neurosci 2023; 126:103877. [PMID: 37385516 PMCID: PMC10528482 DOI: 10.1016/j.mcn.2023.103877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 06/02/2023] [Accepted: 06/24/2023] [Indexed: 07/01/2023] Open
Abstract
The ongoing opioid addiction crisis necessitates the identification of novel risk factors to improve prevention and treatment of opioid use disorder. Parental opioid exposure has recently emerged as a potential regulator of offspring vulnerability to opioid misuse, in addition to heritable genetic liability. An understudied aspect of this "missing heritability" is the developmental presentation of these cross-generational phenotypes. This is an especially relevant question in the context of inherited addiction-related phenotypes, given the prominent role of developmental processes in the etiology of psychiatric disorders. Paternal morphine self-administration was previously shown to alter the sensitivity to the reinforcing and antinociceptive properties of opioids in the next generation. Here, phenotyping was expanded to include the adolescent period, with a focus on endophenotypes related to opioid use disorders and pain. Paternal morphine exposure did not alter heroin or cocaine self-administration in male and female juvenile progeny. Further, baseline sensory reflexes related to pain were unaltered in morphine-sired adolescent rats of either sex. However, morphine-sired adolescent males exhibited a reduction in social play behavior. Our findings suggest that, in morphine-sired male offspring, paternal opioid exposure does not affect opioid intake during adolescence, suggesting that this phenotype does not emerge until later in life. Altered social behaviors in male morphine-sired adolescents indicate that the changes in drug-taking behavior in adults sired by morphine-exposed sires may be due to more complex factors not yet fully assessed.
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Affiliation(s)
- Dana Zeid
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Andre B Toussaint
- Zuckerman Mind Brain Behavior Institute, Columbia University, United States of America
| | - Carmen C Dressler
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Samuel P Schumacher
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Chau Do
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Heather Desalvo
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Danait Selamawi
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Angela R Bongiovanni
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Hannah L Mayberry
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America
| | - Gregory V Carr
- Lieber Institute of Brain Development, Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, United States of America
| | - Mathieu E Wimmer
- Department of Psychology and Neuroscience, College of Liberal Arts, Temple University, United States of America.
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7
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Zanda MT, Saikali L, Morris P, Daws SE. MicroRNA-mediated translational pathways are regulated in the orbitofrontal cortex and peripheral blood samples during acute abstinence from heroin self-administration. ADVANCES IN DRUG AND ALCOHOL RESEARCH 2023; 3:11668. [PMID: 38389822 PMCID: PMC10880771 DOI: 10.3389/adar.2023.11668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 07/28/2023] [Indexed: 02/24/2024]
Abstract
Opioid misuse in the United States contributes to >70% of annual overdose deaths. To develop additional therapeutics that may prevent opioid misuse, further studies on the neurobiological consequences of opioid exposure are needed. Here we sought to characterize molecular neuroadaptations involving microRNA (miRNA) pathways in the brain and blood of adult male rats that self-administered the opioid heroin. miRNAs are ∼18-24 nucleotide RNAs that regulate protein expression by preventing mRNA translation into proteins. Manipulation of miRNAs and their downstream pathways can critically regulate drug seeking behavior. We performed small-RNA sequencing of miRNAs and proteomics profiling on tissue from the orbitofrontal cortex (OFC), a brain region associated with heroin seeking, following 2 days of forced abstinence from self-administration of 0.03 mg/kg/infusion heroin or sucrose. Heroin self-administration resulted in a robust shift of the OFC miRNA profile, regulating 77 miRNAs, while sucrose self-administration only regulated 9 miRNAs that did not overlap with the heroin-induced profile. Conversely, proteomics revealed dual regulation of seven proteins by both heroin and sucrose in the OFC. Pathway analysis determined that heroin-associated miRNA pathways are predicted to target genes associated with the term "prion disease," a term that was also enriched in the heroin-induced protein expression dataset. Lastly, we confirmed that a subset of heroin-induced miRNA expression changes in the OFC are regulated in peripheral serum and correlate with heroin infusions. These findings demonstrate that peripheral blood samples may have biomarker utility for assessment of drug-induced miRNA pathway alterations that occur in the brain following chronic drug exposure.
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Affiliation(s)
- Mary Tresa Zanda
- Center for Substance Abuse Research, Temple University, Philadelphia, PA, United States
- Department of Neural Sciences, Temple University, Philadelphia, PA, United States
| | - Leila Saikali
- Center for Substance Abuse Research, Temple University, Philadelphia, PA, United States
- College of Liberal Arts, Temple University, Philadelphia, PA, United States
| | - Paige Morris
- Center for Substance Abuse Research, Temple University, Philadelphia, PA, United States
- Department of Neural Sciences, Temple University, Philadelphia, PA, United States
| | - Stephanie E. Daws
- Center for Substance Abuse Research, Temple University, Philadelphia, PA, United States
- Department of Neural Sciences, Temple University, Philadelphia, PA, United States
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Wilkinson CS, Blount HL, Davis S, Rojas G, Wu L, Murphy NP, Schwendt M, Knackstedt LA. Voluntary alcohol intake alters the motivation to seek intravenous oxycodone and neuronal activation during the reinstatement of oxycodone and sucrose seeking. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.20.549769. [PMID: 37546763 PMCID: PMC10401968 DOI: 10.1101/2023.07.20.549769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Opioid-alcohol polysubstance use is prevalent and worsens treatment outcomes. Here we assessed whether co-consumption of oxycodone and alcohol would influence intake of one another, demand for oxycodone, and the neurocircuitry underlying cue-primed reinstatement of oxycodone-seeking. Male and female rats underwent oxycodone intravenous self-administration (IVSA) with access to either alcohol (20% v/v) and water or only water immediately after the IVSA session. Next, economic demand for intravenous oxycodone was assessed while access to alcohol and/or water continued. Control rats self-administered sucrose followed by access to alcohol and/or water. Rats underwent extinction training and brains were processed for c-fos mRNA expression immediately following a cue-primed reinstatement test. While both sexes decreased oxycodone intake if they had access to alcohol, and decreased alcohol intake if they had access to oxycodone, female oxycodone+alcohol rats exhibited decreased demand elasticity for intravenous oxycodone and increased cue-primed reinstatement while male rats did not. Spontaneous withdrawal signs were correlated with oxycodone intake while alcohol intake was correlated with anxiety-like behavior. Alcohol consumption increased the number of basolateral and central amygdala neurons activated during sucrose and oxycodone reinstatement and the number of ventral and dorsal striatum neurons engaged by sucrose reinstatement. Nucleus accumbens shell dopamine 1 receptor containing neurons displayed activation patterns consistent with oxycodone reinstatement. Thus, alcohol alters the motivation to seek oxycodone in a sex-dependent manner and alters the neural circuitry engaged by cue-primed reinstatement of sucrose and oxycodone-seeking.
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Affiliation(s)
- Courtney S. Wilkinson
- Psychology Dept. University of Florida, Gainesville, FL
- Center for Addiction Research and Education, University of Florida, Gainesville, FL
| | - Harrison L. Blount
- Psychology Dept. University of Florida, Gainesville, FL
- Center for Addiction Research and Education, University of Florida, Gainesville, FL
| | - Shane Davis
- Psychology Dept. University of Florida, Gainesville, FL
- Center for Addiction Research and Education, University of Florida, Gainesville, FL
| | - Giselle Rojas
- Psychology Dept. University of Florida, Gainesville, FL
| | - Lizhen Wu
- Psychology Dept. University of Florida, Gainesville, FL
| | | | - Marek Schwendt
- Psychology Dept. University of Florida, Gainesville, FL
- Center for Addiction Research and Education, University of Florida, Gainesville, FL
| | - Lori A. Knackstedt
- Psychology Dept. University of Florida, Gainesville, FL
- Center for Addiction Research and Education, University of Florida, Gainesville, FL
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9
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Zanda MT, Floris G, Daws SE. Orbitofrontal cortex microRNAs support long-lasting heroin seeking behavior in male rats. Transl Psychiatry 2023; 13:117. [PMID: 37031193 PMCID: PMC10082780 DOI: 10.1038/s41398-023-02423-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 03/23/2023] [Accepted: 03/29/2023] [Indexed: 04/10/2023] Open
Abstract
Recovery from opioid use disorder (OUD) and maintenance of abstinence from opioid use is hampered by perseverant drug cravings that may persist for months after cessation of drug use. Drug cravings can intensify during the abstinence period, a phenomenon referred to as the 'incubation of craving' that has been well-described in preclinical studies. We previously reported that animals that self-administered heroin at a dosage of 0.075 mg/kg/infusion (HH) paired with discrete drug cues displayed robust incubation of heroin craving behavior after 21 days (D) of forced abstinence, an effect that was not observed with a lower dosage (0.03 mg/kg/infusion; HL). Here, we sought to elucidate molecular mechanisms underlying long-term heroin seeking behavior by profiling microRNA (miRNA) pathways in the orbitofrontal cortex (OFC), a brain region that modulates incubation of heroin seeking. miRNAs are small noncoding RNAs with long half-lives that have emerged as critical regulators of drug seeking behavior but their expression in the OFC has not been examined in any drug exposure paradigm. We employed next generation sequencing to detect OFC miRNAs differentially expressed after 21D of forced abstinence between HH and HL animals, and proteomics analysis to elucidate miRNA-dependent translational neuroadaptations. We identified 55 OFC miRNAs associated with incubation of heroin craving, including miR-485-5p, which was significantly downregulated following 21D forced abstinence in HH but not HL animals. We bidirectionally manipulated miR-485-5p in the OFC to demonstrate that miR-485-5p can regulate long-lasting heroin seeking behavior after extended forced abstinence. Proteomics analysis identified 45 proteins selectively regulated in the OFC of HH but not HL animals that underwent 21D forced abstinence, of which 7 were putative miR-485-5p target genes. Thus, the miR-485-5p pathway is dysregulated in animals with a phenotype of persistent heroin craving behavior and OFC miR-485-5p pathways may function to support long-lasting heroin seeking.
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Affiliation(s)
- Mary Tresa Zanda
- Center for Substance Abuse Research, Temple University, Philadelphia, PA, USA
- Department of Neural Sciences, Temple University, Philadelphia, PA, USA
| | - Gabriele Floris
- Center for Substance Abuse Research, Temple University, Philadelphia, PA, USA
- Department of Neural Sciences, Temple University, Philadelphia, PA, USA
| | - Stephanie E Daws
- Center for Substance Abuse Research, Temple University, Philadelphia, PA, USA.
- Department of Neural Sciences, Temple University, Philadelphia, PA, USA.
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10
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Fang Y, Sun Y, Liu Y, Liu T, Hao W, Liao Y. Neurobiological mechanisms and related clinical treatment of addiction: a review. PSYCHORADIOLOGY 2022; 2:180-189. [PMID: 38665277 PMCID: PMC10917179 DOI: 10.1093/psyrad/kkac021] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 11/29/2022] [Accepted: 11/30/2022] [Indexed: 04/28/2024]
Abstract
Drug addiction or substance use disorder (SUD), has been conceptualized as a three-stage (i.e. binge/intoxication, withdrawal/negative affect, and preoccupation/anticipation/craving) recurring cycle that involves complex changes in neuroplasticity, reward, motivation, desire, stress, memory, and cognitive control, and other related brain regions and brain circuits. Neuroimaging approaches, including magnetic resonance imaging, have been key to mapping neurobiological changes correlated to complex brain regions of SUD. In this review, we highlight the neurobiological mechanisms of these three stages of addiction. The abnormal activity of the ventral tegmental, nucleus accumbens, and caudate nucleus in the binge/intoxication stage involve the reward circuit of the midbrain limbic system. The changes in the orbitofrontal cortex, dorsolateral prefrontal cortex, amygdala, and hypothalamus emotional system in the withdrawal/negative affect stage involve increases in negative emotional states, dysphoric-like effects, and stress-like responses. The dysregulation of the insula and prefrontal lobes is associated with craving in the anticipation stage. Then, we review the present treatments of SUD based on these neuroimaging findings. Finally, we conclude that SUD is a chronically relapsing disorder with complex neurobiological mechanisms and multimodal stages, of which the craving stage with high relapse rate may be the key element in treatment efficacy of SUD. Precise interventions targeting different stages of SUD and characteristics of individuals might serve as a potential therapeutic strategy for SUD.
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Affiliation(s)
- Yehong Fang
- Department of Psychiatry, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, Zhejiang 310016, China
| | - Yunkai Sun
- Department of Psychiatry, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, Zhejiang 310016, China
| | - Yi Liu
- Department of Psychiatry, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, Zhejiang 310016, China
| | - Tieqiao Liu
- Department of Psychiatry & Mental Health Institute of the Second Xiangya Hospital, Central South University. National Clinical Research Center on Mental Disorders & National Technology Institute on Mental Disorders. Hunan Key Laboratory of Psychiatry and Mental Health, 139 Renmin (M) Rd, Changsha, Hunan 410011, P. R. China
| | - Wei Hao
- Department of Psychiatry & Mental Health Institute of the Second Xiangya Hospital, Central South University. National Clinical Research Center on Mental Disorders & National Technology Institute on Mental Disorders. Hunan Key Laboratory of Psychiatry and Mental Health, 139 Renmin (M) Rd, Changsha, Hunan 410011, P. R. China
| | - Yanhui Liao
- Department of Psychiatry, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, Zhejiang 310016, China
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11
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Wong B, Zimbelman AR, Milovanovic M, Wolf ME, Stefanik MT. GluA2-lacking AMPA receptors in the nucleus accumbens core and shell contribute to the incubation of oxycodone craving in male rats. Addict Biol 2022; 27:e13237. [PMID: 36301206 PMCID: PMC10655598 DOI: 10.1111/adb.13237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 07/31/2022] [Accepted: 09/22/2022] [Indexed: 01/24/2023]
Abstract
One of the most challenging issues in the treatment of substance use disorder, including misuse of opioids such as oxycodone, is persistent vulnerability to relapse, often triggered by cues or contexts previously associated with drug use. In rats, cue-induced craving progressively intensifies ('incubates') during withdrawal from extended-access self-administration of several classes of misused drugs, including the psychostimulants cocaine and methamphetamine. For these psychostimulants, incubation is associated with strengthening of excitatory synapses in the nucleus accumbens (NAc) through incorporation of α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid receptors that lack the GluA2 subunit and are therefore Ca2+ -permeable (CP-AMPARs). Once CP-AMPAR upregulation occurs, their stimulation is required for expression of incubation. It is not known if a similar mechanism contributes to incubation of oxycodone craving. Using male rats, we established that incubation occurs by withdrawal day (WD) 15 and persists through WD30. Then, using cell-surface biotinylation, we found that surface levels of the AMPAR subunit GluA1 but not GluA2 are elevated in NAc core and shell of oxycodone rats on WD15, although this wanes by WD30. Next, using intra-NAc injection of the selective CP-AMPAR antagonist Naspm before a seeking test, we demonstrate that CP-AMPAR blockade in either subregion decreases oxycodone seeking on WD15 or WD30 (after incubation), but not WD1, and has no effect in saline self-administering animals. The Naspm results suggest CP-AMPARs persist in synapses through WD30 even if total cell surface levels wane. These results suggest that a common neurobiological mechanism contributes to expression of incubation of craving for oxycodone and psychostimulants.
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Affiliation(s)
- Benjamin Wong
- Department of Psychology and Neuroscience, North Central College, Naperville, Illinois, USA
| | - Alexa R. Zimbelman
- Department of Psychology and Neuroscience, North Central College, Naperville, Illinois, USA
| | - Mike Milovanovic
- Department of Neuroscience, Chicago Medical School at Rosalind Franklin University of Medicine and Science, North Chicago, Illinois, USA
| | - Marina E. Wolf
- Department of Neuroscience, Chicago Medical School at Rosalind Franklin University of Medicine and Science, North Chicago, Illinois, USA
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, USA
| | - Michael T. Stefanik
- Department of Psychology and Neuroscience, North Central College, Naperville, Illinois, USA
- Department of Neuroscience, Chicago Medical School at Rosalind Franklin University of Medicine and Science, North Chicago, Illinois, USA
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12
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Samson KR, Xu W, Kortagere S, España RA. Intermittent access to oxycodone decreases dopamine uptake in the nucleus accumbens core during abstinence. Addict Biol 2022; 27:e13241. [PMID: 36301217 PMCID: PMC10262085 DOI: 10.1111/adb.13241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 07/29/2022] [Accepted: 09/27/2022] [Indexed: 01/24/2023]
Abstract
A major obstacle in treating opioid use disorder is the persistence of drug seeking or craving during periods of abstinence, which is believed to contribute to relapse. Dopamine transmission in the mesolimbic pathway is posited to contribute to opioid reinforcement, but the processes by which dopamine influences drug seeking have not been completely elucidated. To examine whether opioid seeking during abstinence is associated with alterations in dopamine transmission, female and male rats self-administered oxycodone under an intermittent access schedule of reinforcement. Following self-administration, rats underwent a forced abstinence period, and cue-induced seeking tests were conducted to assess oxycodone seeking. One day following the final seeking test, rats were sacrificed to perform ex vivo fast scan cyclic voltammetry and western blotting in the nucleus accumbens. Rats displayed reduced dopamine uptake rate on abstinence day 2 and abstinence day 15, compared to oxycodone-naïve rats. Further, on abstinence day 15, rats had reduced phosphorylation of the dopamine transporter. Additionally, local application of oxycodone to the nucleus accumbens reduced dopamine uptake in oxycodone-naïve rats and in rats during oxycodone abstinence, on abstinence day 2 and abstinence day 15. These observations suggest that abstinence from oxycodone results in dysfunctional dopamine transmission, which may contribute to sustained oxycodone seeking during abstinence.
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Affiliation(s)
- Kyle R. Samson
- Drexel University College of Medicine, Department of Neurobiology and Anatomy
| | - Wei Xu
- Drexel University College of Medicine, Department of Microbiology and Immunology
| | - Sandhya Kortagere
- Drexel University College of Medicine, Department of Microbiology and Immunology
| | - Rodrigo A. España
- Drexel University College of Medicine, Department of Neurobiology and Anatomy
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13
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Gillespie A, Mayberry HL, Wimmer ME, Sillivan SE. microRNA expression levels in the nucleus accumbens correlate with morphine-taking but not morphine-seeking behaviour in male rats. Eur J Neurosci 2022; 55:1742-1755. [PMID: 35320877 PMCID: PMC9314918 DOI: 10.1111/ejn.15650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 03/04/2022] [Accepted: 03/15/2022] [Indexed: 12/01/2022]
Abstract
A powerful motivation to seek opioids remains after drug cessation and intensifies during extended periods of abstinence. Unfortunately, biomarkers associated with continued drug seeking have not been described. Moreover, previous studies have focused on the effects of early abstinence with little exploration into the long-term drug-induced mechanisms that occur after extended abstinence. Here we demonstrated that 30 days (D) of forced abstinence results in a time-dependent increase in morphine seeking in a rat model of morphine self-administration (SA). We measured expression of known drug-responsive microRNAs (miRNAs) in the nucleus accumbens, an area critical for reward-related plasticity, during early or late abstinence in animals that underwent either a cue-induced relapse test or no relapse test. miRNAs are small noncoding RNAs that represent suitable biomarker candidates due to their long-lasting nature. mir-32-5p levels during early abstinence negatively correlated with active lever pressing in both cue-exposed and cue-naïve animals. mir-1298-5p positively correlated with drug SA history after a relapse test during late abstinence. When animals underwent acute abstinence with no relapse test, mir-1298-5p correlated with drug infusions and active lever pressing during SA. In late abstinence with no relapse test, mir-137-3p negatively correlated with drug infusions. Regulation of mir-32-5p target genes and significant correlation of target gene mRNA with mir-32-5p was observed after abstinence. These results indicate that lasting regulation of miRNA expression is associated with drug intake following morphine SA. In addition, we conclude that the miRNA profile undergoes regulation from early to late abstinence and miRNA expression may indicate past drug history.
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Affiliation(s)
- Aria Gillespie
- Center for Substance Abuse ResearchTemple UniversityPhiladelphiaPennsylvaniaUSA,Department of Neural SciencesTemple UniversityPhiladelphiaPAUSA
| | - Hannah L. Mayberry
- Department of Psychology and Neuroscience Program, College of Liberal ArtsTemple UniversityPhiladelphiaPennsylvaniaUSA
| | - Mathieu E. Wimmer
- Department of Psychology and Neuroscience Program, College of Liberal ArtsTemple UniversityPhiladelphiaPennsylvaniaUSA
| | - Stephanie E. Sillivan
- Center for Substance Abuse ResearchTemple UniversityPhiladelphiaPennsylvaniaUSA,Department of Neural SciencesTemple UniversityPhiladelphiaPAUSA
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14
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Yang W, Zhang M, Tang F, Du Y, Fan L, Luo J, Yan C, Wang S, Zhang J, Yuan K, Liu J. Recovery of superior frontal gyrus cortical thickness and resting-state functional connectivity in abstinent heroin users after 8 months of follow-up. Hum Brain Mapp 2022; 43:3164-3175. [PMID: 35324057 PMCID: PMC9188969 DOI: 10.1002/hbm.25841] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 02/11/2022] [Accepted: 03/06/2022] [Indexed: 12/28/2022] Open
Abstract
Compared with healthy controls, heroin users (HUs) show evidence of structural and functional brain alterations. However, little is known about the possibility of brain recovery after protracted heroin abstinence. The purpose of this study was to investigate whether brain recovery is possible after protracted abstinence in HUs. A total of 108 subjects with heroin addiction completed structural and functional scans, and 61 of those subjects completed 8-month follow-up scans. Resting-state data and 3D-T1 MR images were collected for all participants, first at baseline and again after 8 months. Cognitive function and craving were measured by the Trail Making Test-A (TMT-A) and Visual Analog Scale for Craving, respectively. The cortical thickness and resting-state functional connectivity (RSFC) differences were then analyzed and compared between baseline and follow-up, and correlations were obtained between neuroimaging and behavioral changes. HUs demonstrated improved cognition (shorter TMT-A time) and reduced craving at the follow-up (HU2) relative to baseline (HU1), and the cortical thickness in the bilateral superior frontal gyrus (SFG) was significantly greater at HU2 than at HU1. Additionally, the RSFC of the left SFG with the inferior frontal gyrus (IFG), insula, and nucleus accumbens and that of the right SFG with the IFG, insula and orbitofrontal cortex (OFC) were increased at HU2. The changes in TMT-A time were negatively correlated with the RSFC changes between the left SFG and the bilateral IFG, the bilateral caudate, and the right insula. The changes in craving were negatively correlated with the RSFC changes between the left OFC and the bilateral SFG. Our results demonstrated that impaired frontal-limbic neurocircuitry can be partially restored, which might enable improved cognition as well as reduced craving in substance-abusing individuals. We provided novel scientific evidence for the partial recovery of brain circuits implicated in cognition and craving after protracted abstinence.
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Affiliation(s)
- Wenhan Yang
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Min Zhang
- School of Life Science and Technology, Xidian University, Xi'an, China.,Engineering Research Center of Molecular and Neuroimaging, Ministry of Education, Xi'an, China
| | - Fei Tang
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Yanyao Du
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Li Fan
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Jing Luo
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Cui Yan
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
| | - Shicong Wang
- School of Life Science and Technology, Xidian University, Xi'an, China.,Engineering Research Center of Molecular and Neuroimaging, Ministry of Education, Xi'an, China
| | - Jun Zhang
- Hunan Judicial Police Academy, Changsha, China
| | - Kai Yuan
- School of Life Science and Technology, Xidian University, Xi'an, China.,Engineering Research Center of Molecular and Neuroimaging, Ministry of Education, Xi'an, China.,Xi'an Key Laboratory of Intelligent Sensing and Regulation of Trans-Scale Life Information, School of Life Science and Technology, Xidian University, Xi'an, China.,Inner Mongolia Key Laboratory of Pattern Recognition and Intelligent Image Processing, School of Information Engineering, Inner Mongolia University of Science and Technology, Baotou, China
| | - Jun Liu
- Department of Radiology, Second Xiangya Hospital of Central South University, Changsha, China
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15
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Floris G, Gillespie A, Zanda MT, Dabrowski KR, Sillivan SE. Heroin Regulates Orbitofrontal Circular RNAs. Int J Mol Sci 2022; 23:1453. [PMID: 35163373 PMCID: PMC8836038 DOI: 10.3390/ijms23031453] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/10/2022] [Accepted: 01/24/2022] [Indexed: 11/17/2022] Open
Abstract
The number of drug overdose deaths involving opioids continues to rise in the United States. Many patients with opioid use disorder (OUD) that seek treatment still experience relapse. Perseverant opioid seeking behaviors represent a major challenge to treating OUD and additional therapeutic development will require insight into opioid-induced neurobiological adaptations. In this study, we explored the regulation of a novel class of RNAs, circular RNAs (circRNAs), by the addictive opioid heroin in the rat orbitofrontal cortex (OFC), a brain region that mediates behavioral responses to rewarding stimuli. Microarray analysis identified 76 OFC circRNAs significantly regulated in male rats after heroin self-administration. We evaluated the specificity of these findings by measuring heroin-associated circRNA expression in female rats after heroin self-administration and in rats that self-administered sucrose. We identify circGrin2b, circUbe2cp, circAnks1a, circAdcy5 and circSlc24A2 as heroin-responsive circRNAs in the OFC. Linear mRNA levels of heroin-associated circRNAs were unchanged except for Grin2b and Adcy5. An integrated bioinformatics analysis of regulated circRNAs identified microRNAs predicted to bind heroin-associated circRNAs and downstream targets of circRNA: microRNA sponging. Thus, heroin regulates the expression of OFC RNA splice variants that circularize and may impact cellular processes that contribute to the neurobiological adaptations that arise from chronic heroin exposure.
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Affiliation(s)
- Gabriele Floris
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (G.F.); (A.G.); (M.T.Z.); (K.R.D.)
- Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA
| | - Aria Gillespie
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (G.F.); (A.G.); (M.T.Z.); (K.R.D.)
- Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA
| | - Mary Tresa Zanda
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (G.F.); (A.G.); (M.T.Z.); (K.R.D.)
- Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA
| | - Konrad R. Dabrowski
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (G.F.); (A.G.); (M.T.Z.); (K.R.D.)
- Department of Biological Sciences, Temple University, Philadelphia, PA 19122, USA
| | - Stephanie E. Sillivan
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (G.F.); (A.G.); (M.T.Z.); (K.R.D.)
- Department of Neural Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA
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16
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Fredriksson I, Tsai PJ, Shekara A, Duan Y, Applebey SV, Lu H, Bossert JM, Shaham Y, Yang Y. Orbitofrontal cortex and dorsal striatum functional connectivity predicts incubation of opioid craving after voluntary abstinence. Proc Natl Acad Sci U S A 2021; 118:e2106624118. [PMID: 34675078 PMCID: PMC8639358 DOI: 10.1073/pnas.2106624118] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/30/2021] [Indexed: 12/14/2022] Open
Abstract
We recently introduced a rat model of incubation of opioid craving after voluntary abstinence induced by negative consequences of drug seeking. Here, we used resting-state functional MRI to determine whether longitudinal functional connectivity changes in orbitofrontal cortex (OFC) circuits predict incubation of opioid craving after voluntary abstinence. We trained rats to self-administer for 14 d either intravenous oxycodone or palatable food. After 3 d, we introduced an electric barrier for 12 d that caused cessation of reward self-administration. We tested the rats for oxycodone or food seeking under extinction conditions immediately after self-administration training (early abstinence) and after electric barrier exposure (late abstinence). We imaged their brains before self-administration and during early and late abstinence. We analyzed changes in OFC functional connectivity induced by reward self-administration and electric barrier-induced abstinence. Oxycodone seeking was greater during late than early abstinence (incubation of oxycodone craving). Oxycodone self-administration experience increased OFC functional connectivity with dorsal striatum and related circuits that was positively correlated with incubated oxycodone seeking. In contrast, electric barrier-induced abstinence decreased OFC functional connectivity with dorsal striatum and related circuits that was negatively correlated with incubated oxycodone seeking. Food seeking was greater during early than late abstinence (abatement of food craving). Food self-administration experience and electric barrier-induced abstinence decreased or maintained functional connectivity in these circuits that were not correlated with abated food seeking. Opposing functional connectivity changes in OFC with dorsal striatum and related circuits induced by opioid self-administration versus voluntary abstinence predicted individual differences in incubation of opioid craving.
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Affiliation(s)
- Ida Fredriksson
- Behavioral Neuroscience Branch, Intramural Research Program/National Institute on Drug Abuse/NIH, Baltimore, MD 21224
- Center for Social and Affective Neuroscience, Linköping University, Linköping 581 83, Sweden
| | - Pei-Jung Tsai
- Neuroimaging Research Branch, Intramural Research Program/National Institute on Drug Abuse/NIH, Baltimore, MD 21224
| | - Aniruddha Shekara
- Behavioral Neuroscience Branch, Intramural Research Program/National Institute on Drug Abuse/NIH, Baltimore, MD 21224
| | - Ying Duan
- Neuroimaging Research Branch, Intramural Research Program/National Institute on Drug Abuse/NIH, Baltimore, MD 21224
| | - Sarah V Applebey
- Behavioral Neuroscience Branch, Intramural Research Program/National Institute on Drug Abuse/NIH, Baltimore, MD 21224
| | - Hanbing Lu
- Neuroimaging Research Branch, Intramural Research Program/National Institute on Drug Abuse/NIH, Baltimore, MD 21224
| | - Jennifer M Bossert
- Behavioral Neuroscience Branch, Intramural Research Program/National Institute on Drug Abuse/NIH, Baltimore, MD 21224
| | - Yavin Shaham
- Behavioral Neuroscience Branch, Intramural Research Program/National Institute on Drug Abuse/NIH, Baltimore, MD 21224;
| | - Yihong Yang
- Neuroimaging Research Branch, Intramural Research Program/National Institute on Drug Abuse/NIH, Baltimore, MD 21224
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17
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Fredriksson I, Venniro M, Reiner DJ, Chow JJ, Bossert JM, Shaham Y. Animal Models of Drug Relapse and Craving after Voluntary Abstinence: A Review. Pharmacol Rev 2021; 73:1050-1083. [PMID: 34257149 PMCID: PMC11060480 DOI: 10.1124/pharmrev.120.000191] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Relapse to drug use during abstinence is a defining feature of addiction. During the last several decades, this clinical scenario has been studied at the preclinical level using classic relapse/reinstatement models in which drug seeking is assessed after experimenter-imposed home-cage forced abstinence or extinction of the drug-reinforced responding in the self-administration chambers. To date, however, results from studies using rat relapse/reinstatement models have yet to result in Food and Drug Administration-approved medications for relapse prevention. The reasons for this state of affairs are complex and multifaceted, but one potential reason is that, in humans, abstinence is often self-imposed or voluntary and occurs either because the negative consequences of drug use outweigh the drug's rewarding effects or because of the availability of nondrug alternative rewards that are chosen over the drug. Based on these considerations, we and others have recently developed rat models of relapse after voluntary abstinence, achieved either by introducing adverse consequences to drug taking (punishment) or seeking (electric barrier) or by providing mutually exclusive choices between the self-administered drug and nondrug rewards (palatable food or social interaction). In this review, we provide an overview of these translationally relevant relapse models and discuss recent neuropharmacological findings from studies using these models. We also discuss sex as a biological variable, future directions, and clinical implications of results from relapse studies using voluntary abstinence models. Our main conclusion is that the neuropharmacological mechanisms controlling relapse to drug seeking after voluntary abstinence are often different from the mechanisms controlling relapse after home-cage forced abstinence or reinstatement after extinction. SIGNIFICANCE STATEMENT: This review describes recently developed rat models of relapse after voluntary abstinence, achieved either by introducing adverse consequences to drug taking or seeking or by providing mutually exclusive choices between the self-administered drug and nondrug rewards. This review discusses recent neuropharmacological findings from studies using these models and discusses future directions and clinical implications.
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Affiliation(s)
- Ida Fredriksson
- Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, Baltimore, Maryland (I.F., M.V., D.J.R., J.J.C., J.M.B., Y.S.), and Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Marco Venniro
- Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, Baltimore, Maryland (I.F., M.V., D.J.R., J.J.C., J.M.B., Y.S.), and Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - David J Reiner
- Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, Baltimore, Maryland (I.F., M.V., D.J.R., J.J.C., J.M.B., Y.S.), and Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Jonathan J Chow
- Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, Baltimore, Maryland (I.F., M.V., D.J.R., J.J.C., J.M.B., Y.S.), and Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Jennifer M Bossert
- Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, Baltimore, Maryland (I.F., M.V., D.J.R., J.J.C., J.M.B., Y.S.), and Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Yavin Shaham
- Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, Baltimore, Maryland (I.F., M.V., D.J.R., J.J.C., J.M.B., Y.S.), and Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
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18
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Altshuler RD, Garcia KT, Li X. Incubation of Oxycodone Craving Following Adult-Onset and Adolescent-Onset Oxycodone Self-Administration in Male Rats. Front Behav Neurosci 2021; 15:697509. [PMID: 34248518 PMCID: PMC8262493 DOI: 10.3389/fnbeh.2021.697509] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 05/25/2021] [Indexed: 12/23/2022] Open
Abstract
Relapse is a major obstacle to curb the ongoing epidemic of prescription opioid abuse. We and others previously demonstrated that oxycodone seeking in adult rats progressively increases after abstinence from oxycodone self-administration (incubation of oxycodone craving). In humans, the onset of oxycodone use in adolescents may increase individuals' vulnerability to later opioid addiction. However, little is known about incubation of oxycodone craving after adolescent-onset oxycodone self-administration in rats. In the first study, we trained single-housed adolescent (postnatal day 35 at start) and adult (postnatal day 77 at start) male Sprague-Dawley rats to self-administer oxycodone (0.1 mg/kg/infusion, 6 h/day for 10 days) and then tested oxycodone relapse on both abstinence day 1 and day 15. Given that social experience is critical for neurobehavioral development in adolescents, we performed the second study using group-housed adolescent and adult rats. In both studies, we observed no age differences in oxycodone self-administration and incubated oxycodone seeking on abstinence day 15. However, on abstinence day 1, we observed decreased oxycodone seeking in adolescents compared with adults. This pattern of data led to elevated incubation slopes in adolescent rats compared with adult rats. Finally, group-housed rats exhibited attenuated oxycodone seeking compared with single-housed rats on abstinence day 15, but not on day 1. Taken together, these data suggest that adolescents may be resistant to oxycodone relapse during early abstinence, but this resistance dissipates quickly during the transition between adolescent and young adulthood. In addition, group-housing plays a protective role against incubated oxycodone craving.
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Affiliation(s)
| | | | - Xuan Li
- Department of Psychology, University of Maryland, College Park, College Park, MD, United States
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19
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Lueptow LM, Shashkova EC, Miller MG, Evans CJ, Cahill CM. Insights into the Neurobiology of Craving in Opioid Use Disorder. CURRENT ANESTHESIOLOGY REPORTS 2021; 10:378-387. [PMID: 33424457 DOI: 10.1007/s40140-020-00420-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Purpose of review Opioids remain the most potent form of pain relief currently available, yet have a high abuse liability. Here we discuss underlying neurobiological changes in Opioid Use Disorder (OUD) that likely contribute to drug craving, which in turn drives continued drug use and relapse. Recent findings Craving has emerged as a strong indicator in drug-seeking and relapse. Studies have demonstrated a number of allostatic changes in circuitry that facilitate learning of drug-stimuli relationships, thereby augmenting cue-triggered drug use and relapse. Summary This review will focus on key neurobiological changes in underlying circuitry observed during the initial and continued exposure to opioids that result in an increase in neural-reactivity to drug-related intrinsic and extrinsic drug cues, and to enhanced learning of drug-context correlations. This sensitized learning state may be an indication of the underlying framework that drives craving and ultimately, motivates increased salience of drug cues and drives drug-seeking.
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Affiliation(s)
- Lindsay M Lueptow
- Department of Psychiatry and Biobehavioral Sciences, Los Angeles, CA, 90095, USA.,Shirley and Stefan Hatos Center for Neuropharmacology, Los Angeles, CA, 90095, USA.,Department of Psychology at University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Elizabeth C Shashkova
- Shirley and Stefan Hatos Center for Neuropharmacology, Los Angeles, CA, 90095, USA.,David Geffen School of Medicine, Los Angeles, CA, 90095, USA
| | - Margaret G Miller
- Shirley and Stefan Hatos Center for Neuropharmacology, Los Angeles, CA, 90095, USA.,David Geffen School of Medicine, Los Angeles, CA, 90095, USA
| | - Christopher J Evans
- Department of Psychiatry and Biobehavioral Sciences, Los Angeles, CA, 90095, USA.,Shirley and Stefan Hatos Center for Neuropharmacology, Los Angeles, CA, 90095, USA.,Jane & Terry Semel Institute for Neuroscience and Human Behavior, Los Angeles, CA, 90095, USA.,David Geffen School of Medicine, Los Angeles, CA, 90095, USA
| | - Catherine M Cahill
- Department of Psychiatry and Biobehavioral Sciences, Los Angeles, CA, 90095, USA.,Shirley and Stefan Hatos Center for Neuropharmacology, Los Angeles, CA, 90095, USA.,Jane & Terry Semel Institute for Neuroscience and Human Behavior, Los Angeles, CA, 90095, USA.,David Geffen School of Medicine, Los Angeles, CA, 90095, USA
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Altshuler RD, Lin H, Li X. Neural mechanisms underlying incubation of methamphetamine craving: A mini-review. Pharmacol Biochem Behav 2020; 199:173058. [PMID: 33250444 DOI: 10.1016/j.pbb.2020.173058] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 09/27/2020] [Accepted: 10/09/2020] [Indexed: 12/20/2022]
Abstract
Cue-induced drug craving and seeking progressively increases during abstinence. This "incubation of drug craving" phenomenon has been observed in both laboratory animals and humans. Preclinical studies identified several neural mechanisms underlying incubation of drug craving after forced abstinence, primarily focusing on cocaine. Recently, studies started focusing on another powerful psychostimulant, methamphetamine (Meth), and developed new incubation procedures (choice-induced and punishment-induced abstinence). Here, we review mechanistic studies at the circuit, synaptic and molecular levels on incubation of Meth craving. First, we provide an overview of neural adaptations associated with prolonged forced abstinence after extended-access Meth self-administration. Next, we review studies examining the causal roles of discrete brain regions and associated circuits, glutamate transmission, histone deacetylase 5 and oxytocin in incubation of Meth craving after forced abstinence. Lastly, we review causal and correlational studies examining the mechanisms underlying incubation of Meth craving after choice-induced voluntary abstinence and punishment-induced abstinence, respectively. We conclude by discussing the translational potential of these mechanistic studies in Meth relapse prevention in human drug users.
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Affiliation(s)
- Rachel D Altshuler
- Department of Psychology, University of Maryland College Park, College Park, MD 20742, United States of America
| | - Hongyu Lin
- Department of Psychology, University of Maryland College Park, College Park, MD 20742, United States of America
| | - Xuan Li
- Department of Psychology, University of Maryland College Park, College Park, MD 20742, United States of America.
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